Unmanned aerial vehicle



FIG. 1 is a top view of an unmanned aerial vehicle;

FIG. 2 is a bottom view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a back perspective view thereof.

The broken lines are included for the purpose of illustrating portions of the unmanned aerial vehicle that form no part of the claimed design. 

CLAIM The ornamental design for an unmanned aerial vehicle, as shown and described. 